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import pdb
import threading
import thread
import util.Config as configGetter
import types
class SmootCoreObject(object):
"""SmootCoreObject is essentially a super-object class which grants us some niceties. It allows
us to use objects as if they are dictionaries -- we use this to store their arguments
convienently -- note that querying for a parameter that does not exist will return None. It
also offers some basic ThreadSafety."""
def __init__(self, argDict, skipValidation = False):
self.dieListeners = []
self.argDict = argDict
self.validateArgs(self.className()+'.params')
self.lock = thread.allocate_lock()
#put everything into attributes for speed
for key in argDict:
setattr(self, key, argDict[key])
self.init() #call init of inheriting class
def init(self):
pass
def acquireLock(self):
self.lock = thread.allocate_lock() #TODO: fix. -- investigate this, it should only have to be run once in the initialization.
self.lock.acquire()
def releaseLock(self):
self.lock.release()
def className(self):
return self.__class__.__name__
def __setitem__(self,k, item):
self.argDict[k] = item
def __getitem__(self, key):
if key in self.argDict:
item = self.argDict[key]
if isinstance(item, types.FunctionType):
return item(self.argDict) #resolve the lambda function, if it exists
#elif isinstance(item, list): #if its a list of items
# pass #TODO: consider doing resolution of lambda funcs for items in lists
else:
return item
else:
return None
def __contains__(self, item):
return item in self.argDict
def __getiter__(self):
return self.argDict.__getiter__()
def validateArgs(self, argFileName):
self.validateArgDict(configGetter.loadParamRequirementDict(argFileName))#util
#caches for us, woo!
def validateArgDict(self, validationDict):
for item in validationDict:
if not item in self.argDict:
raise Exception(validationDict[item])
def addDieListener(self, listener):
if listener not in self.dieListeners:
self.dieListeners.append(listener)
def removeDieListener(self, listener):
if listener in self.dieListeners:
self.dieListeners.remove(listener)
def die(self):
for listener in self.dieListeners:
listener.handleDie(self)
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